Better map view

app/build.gradle

@@ -8,7 +8,7 @@ dependencies {
     compile 'com.fasterxml.jackson.core:jackson-databind:2.6.1'
     compile 'org.springframework.android:spring-android-rest-template:1.0.1.RELEASE'
     compile 'com.squareup.okhttp:okhttp:2.7.5'
-    compile 'com.github.chrisbanes:PhotoView:1.3.1'
+    compile 'com.davemorrissey.labs:subsampling-scale-image-view:3.6.0'
 
     compile 'com.android.support:appcompat-v7:25.0.0'
 

app/src/main/java/com/dougkeen/bart/activities/ViewMapActivity.java

@@ -1,19 +1,15 @@
 package com.dougkeen.bart.activities;
 
-import android.graphics.drawable.Drawable;
 import android.os.Bundle;
-import android.support.graphics.drawable.VectorDrawableCompat;
-import android.support.v4.content.res.ResourcesCompat;
 import android.support.v7.app.AppCompatActivity;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
-import android.widget.ImageView;
 
+import com.davemorrissey.labs.subscaleview.ImageSource;
+import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView;
 import com.dougkeen.bart.R;
 
-import uk.co.senab.photoview.PhotoView;
-import uk.co.senab.photoview.PhotoViewAttacher;
 
 public class ViewMapActivity extends AppCompatActivity {
 
@@ -21,18 +17,14 @@ public class ViewMapActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        PhotoView photoView = new PhotoView(this);
+        SubsamplingScaleImageView photoView = new SubsamplingScaleImageView(this);
 
         setContentView(photoView);
 
-        Drawable map = ResourcesCompat.getDrawable(getResources(), R.drawable.map, null);
-        photoView.setImageDrawable(map);
-
-        PhotoViewAttacher attacher = new PhotoViewAttacher(photoView);
-        attacher.setScaleType(ImageView.ScaleType.FIT_CENTER);
-
-        getSupportActionBar().setHomeButtonEnabled(true);
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        photoView.setImage(ImageSource.resource(R.drawable.map).dimensions(2279, 2075),
+                ImageSource.resource(R.drawable.map_preview));
+        photoView.setMinimumDpi(320);
+        photoView.setDoubleTapZoomDpi(480);
     }
 
     @Override